/Engine/Source/Runtime/Core/Public/Misc/ConfigContext.h
Return the paths to use to find hierarchical config files for the given platform (note that these are independent of the ini name)
const [FPerPlatformDirs](API\Runtime\Core\Misc\FConfigContext\FPerPlatformDirs) & GetPerPlatformDirs ( const [FString](API\Runtime\Core\Containers\FString) & PlatformName )